CN105479322A - Automatic conical hole grinding device - Google Patents
Automatic conical hole grinding device Download PDFInfo
- Publication number
- CN105479322A CN105479322A CN201510800549.3A CN201510800549A CN105479322A CN 105479322 A CN105479322 A CN 105479322A CN 201510800549 A CN201510800549 A CN 201510800549A CN 105479322 A CN105479322 A CN 105479322A
- Authority
- CN
- China
- Prior art keywords
- steel bushing
- bearing block
- keyway
- grinding
- grinding device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
Abstract
The invention relates to the technical field of machining, particularly to an automatic conical hole grinding device used for grinding and processing marine rudder quadrant conical holes. The automatic conical hole grinding device comprises a motor, a belt pulley, a bearing seat I, a bearing seat II, a connecting pipe, an adjustable shaft, a sliding steel sleeve, a grinding oilstone, a sliding sleeve, a guide tube and a stretching rod. The automatic conical hole grinding device is applicable to grinding of various conical holes with different angles, the application range is wide, and the grinding quality is high; the ratio of the design speed to the rotation speed of the motor is 1 to 1, and the rotation speed of the motor can reach 1450 revolutions/min, so that the automation degree of the conical hole grinding and the grinding efficiency are greatly improved, the labor intensity of the operating personnel can be greatly reduced, and the production efficiency is greatly improved; the automatic conical hole grinding device is adopted for replacing manual grinding, so that the problem that the dust pollution causes damage to bodies of the operating personnel during the grinding process is effectively solved; and the structure is simple, the manufacturing cost is low, and the grinding production cost of workpieces is greatly reduced.
Description
Technical field
The present invention relates to Machining Technology field, be specifically related to a kind of conical bore automatic grinding device for the processing of boats and ships quadrant tiller.
Background technology
In shipbuilding, boats and ships quadrant tiller is generally cone with the connected mode of rudderpost and is connected, and quadrant tiller internal taper hole machines in specific plant equipment, and rudderpost then machines on lathe.Because quadrant tiller and rudderpost machine in different plant equipment respectively, so certain error will inevitably be there is in the internal taper hole of quadrant tiller and rudderpost Outer Taper angle; In addition, the profile due to quadrant tiller is irregular and bulky, and thus taper hole to carry out contorted machining, so its surface roughness is difficult to reach technical requirement.In order to the roughness that the angular error eliminating the cone of rudderpost and quadrant tiller is also quadrant tiller taper hole, the later stage must utilize the means of grinding to carry out the reconditioning of surface roughness and angle.
For solving the foozle existed in above-mentioned process, in prior art, general needs are by manually carrying out reconditioning with portable Mini abrasive wheel, and embrocate in rudderpost Outer Taper with ink, then with reconditioning after quadrant tiller internal taper hole try to join, mill is stroked again according to the processing of quadrant tiller taper hole ink colorant point, so repeatedly operate, until colored spots entirety reaches 90% just meet technical requirement.Because the draw ratio of quadrant tiller taper hole is larger, operating personnel can only slowly reconditioning in narrow space, a usual quadrant tiller from reconditioning until apply for checking and examination qualified, need 4 people's alternate operations, a week consuming time or longer time, not only labour intensity is large, dust pollution is serious, and inefficiency, activity duration are long, bring larger actual bodily harm to operating personnel.
Adopt mechanical device speed lapping be the most quick and quality can be guaranteed effect best bet.But because workpiece to be processed is conical bore, the grinding of conical bore cannot be carried out with general lapping device (this kind lapping device can only grinding cylinder hole), thus must need badly a kind of can for the mechanical lapping equipment of conical bore, to change current backward processing way.
Summary of the invention
The object of the invention is to the problem cannot carrying out grinding for prior art for conical bore, a kind of conical bore automatic grinding device is provided, be applicable to the grinding demand of multiple different angles conical bore, not only be conducive to improving Grinding Quality, and can significantly reduce operating personnel's labour intensity, efficiently solve the actual bodily harm that operating personnel's dust pollution brings, enhance productivity, reduce production cost.
The present invention is achieved through the following technical solutions this object:
A kind of conical bore automatic grinding device, comprise motor, belt pulley, bearing block I, bearing block II, tube connector, adjustable shaft, slip steel bushing, grinding oilstone, slip cap, guide pipe, stretching bar, described motor is in transmission connection by belt pulley and bearing block I; Bearing block I and bearing block II is connected as one by tube connector; Described adjustable shaft is installed between bearing block I and bearing block II, and its setting angle is adjustable; The cylindrical keyway of slip steel bushing and adjustable shaft is connected, and slides in the long keyway can offered on described adjustable shaft; Grinding oilstone is installed on slip steel bushing, with the surface contact of workpiece internal taper hole to be processed in process; The cylindrical keyway of described slip cap and guide pipe is connected, and slides in the long keyway can offered on guide pipe, and described slip cap is connected with stretching bar; Described slip cap end face installs a bearing pin, and bearing pin and tube connector keyway are connected, and slide in the long keyway can offered on tube connector; Be connected by wireline pulley group between described slip cap with slip steel bushing, synchronous slide under the effect of stretching bar; The front and back end of described guide pipe and mandrel I and mandrel II threaded engagement, mandrel I is installed in bearing block II by ball bearing, and mandrel II is installed in bearing block I by roller bearing; Described stretching bar is arranged at the inside of guide pipe, mandrel II.
Wherein, outside slip steel bushing, be 90 degree with slip steel bushing weld a steel bushing, spring and slidiing pin are installed in steel bushing; Slidiing pin and steel bushing keyway are connected, and slide in the long keyway can offered on steel bushing, and the top bearing pin of slidiing pin installs bracing frame, and described grinding oilstone is installed on bracing frame inside.
Wherein, the two ends of described adjustable shaft are flat ear tabular, are arranged on the end face of bearing block II and bearing block I by support otic placode and bearing pin; The otic placode of described bearing block II end face is arranged on sliding panel, the side keyway of sliding panel and bearing block II is connected, and slide in the long keyway can offered on the end face of bearing block II, consistent with the angle of the conical bore inner surface of the angle with different workpieces that adjust adjustable shaft.
Wherein, described slip cap comprises quiet cover, dynamic cover, the cylindrical sliding connection of described quiet cover and the axis of guide, and dynamic cover is installed on quiet cover cylindrical by ball bearing, and the outer face of dynamic cover is installed bearing pin I and extended to tube connector; Bearing pin I and tube connector keyway are connected, and slide in the long keyway that can have on tube connector; Bearing pin II through the long keyway that the pin-and-hole of quiet cover, guide pipe are offered, and coordinates with the recessed keyway of described stretching boom end and installs.
Further, the outer end of described stretching bar is provided with handle.
Wherein, at the cylindrical of slip steel bushing, the cylindrical of dynamic cover and end face construction bolt, connect described bolt by a steel wire rope and through the assembly pulley be installed on bearing block II otic placode, bearing block I and otic placode thereof, make slip steel bushing and slip cap synchronous slide.
Wherein, the outer end of described mandrel I and mandrel II is installed and is supported steel bushing, its end fastening nuts; Support coaxial installation one adjustment steel bushing outside steel bushing, on described adjustment steel bushing, uniform some adjusting nuts for adjusting the center supporting steel bushing, make the central axes of the central axis of conical bore automatic grinding device and workpiece to be processed.
As preferably, adjusting nut quantity uniform on each adjustment steel bushing is 6.
Relative to prior art, beneficial effect of the present invention is:
1, conical bore automatic grinding device of the present invention, is applicable to the grinding of multiple different angles conical bore, not only applied widely, and Grinding Quality is high;
2, design speed of the present invention can reach 1:1 with motor speed ratio, and motor speed can reach 1450 turns/min, thus substantially increase automaticity and the grinding efficiency of conical bore grinding, can significantly reduce operating personnel's labour intensity, increase substantially production efficiency;
3, the alternative artificial hand lapping of conical bore automatic grinding device of the present invention, efficiently solves the actual bodily harm that in process of lapping, dust pollution brings to operating personnel;
4, structure of the present invention is simple, and low cost of manufacture, is conducive to the grinding production cost significantly reducing workpiece.
Accompanying drawing explanation
Fig. 1 is the structural representation of conical bore automatic grinding device of the present invention.
Fig. 2 is the sectional view along A-A line in Fig. 1.
In figure: 1-motor; 2-belt pulley; 3-bearing block I; 4-bearing block II; 5-tube connector; 6-adjustable shaft; 7-slip steel bushing; 8-grinding oilstone; 9-slip cap; 10-guide pipe; 11-stretching bar; 12-workpiece; 13-bearing pin I; 14-wireline pulley group; 15-mandrel I; 16-mandrel II; 17-ball bearing; 18-end cap; 19-steel bushing; 20-spring; 21-slidiing pin; 22-bracing frame; 23-support otic placode; 24-bearing pin II; 25-sliding panel; 26-bolt; 27-handle; 28-bolt; 29-steel wire rope; 30-assembly pulley; 31-support cylinder sleeve; 32-nut; 33-adjustment steel bushing; 34-adjusting nut; 91-quiet cover; 92-dynamic cover; 93-ball bearing; 94-bearing pin III; 95-recessed keyway.
Detailed description of the invention
Describe the present invention below in conjunction with drawings and the specific embodiments.
Embodiment 1.
As shown in Figure 1, a kind of conical bore automatic grinding device of the present embodiment, comprise motor 1, belt pulley 2, bearing block I3, bearing block II4, tube connector 5, adjustable shaft 6, slip steel bushing 7, grinding oilstone 8, slip cap 9, guide pipe 10, stretching bar 11, rotary power is delivered to bearing block I3 by belt pulley 2 by motor 1; Bearing block I3 and bearing block II4 is welded as a whole by tube connector 5; Adjustable shaft 6 is installed between bearing block I3 and bearing block II4, its adjustable angle; Slip steel bushing 7 coordinates with the cylindrical keyway of adjustable shaft 6 and slides in the long keyway that can have on adjustable shaft 6; Grinding oilstone 8 to be installed on slip steel bushing 7 and with the surface contact of workpiece 12 internal taper hole; Slip cap 9 coordinates with the cylindrical keyway of guide pipe 10 and slides in the long keyway that can have on guide pipe 10, and links together with stretching bar 11, and seesawing of stretching bar 11 drives slip cap 9 slide anteroposterior on guide pipe 10; Slip cap 9 end face installs bearing pin I13, and bearing pin I13 coordinates with tube connector 5 keyway and slides in the long keyway that can have on tube connector 5; Linked together by wireline pulley group 14 between slip cap 9 and slip steel bushing 7, can synchronous slide under the effect of stretching bar 11; The front and back end of guide pipe 10 and mandrel I15 and mandrel II16 threaded engagement, mandrel I15 to be installed in bearing block II4 by ball bearing 17 and with end cap 18 shutoff, and mandrel II16 to be installed in bearing block I3 by roller bearing 17 and with end cap 18 shutoff; Stretching bar 11 is positioned at the inside of guide pipe 10, mandrel II16.
As shown in Figure 2, weld a steel bushing 19 outside described slip steel bushing 7 with slip steel bushing 7 in 90 degree, spring 20 and slidiing pin 21 are installed in steel bushing 19; Slidiing pin 21 coordinates with steel bushing 19 keyway and slides in the long keyway that can have on steel bushing, and bracing frame 22 is installed with bearing pin in the top of slidiing pin 21, and grinding oilstone 8 is installed in bracing frame inside.
Further, the two ends of described adjustable shaft 6 are made into flat ear tabular, are arranged on the end face of bearing block II4 and bearing block I3 by support otic placode 23 and bearing pin II24; The otic placode of its bottom bracket II4 end face is arranged on sliding panel 25, sliding panel 25 coordinates with the side keyway of bearing block II4 and slides in the long keyway that can have on the end face of bearing block II4, consistent from the angle of different conical bore inner surface with the angle adjusting adjustable shaft 6, then use bolt 26 fastening, increase the scope of application of this device.
Further, slip cap 9 comprises quiet cover 91, dynamic cover 92; Quiet cover 91 is slidably matched with the cylindrical of the axis of guide 10, and dynamic cover 92 is installed on quiet cover 91 cylindrical by ball bearing 93, and the outer face of dynamic cover 92 is installed bearing pin I13 and extended to tube connector 5; Bearing pin I13 coordinates with tube connector 5 keyway and slides in the long keyway that can have on tube connector 5; Bearing pin III94 is through the long keyway that the pin-and-hole of quiet cover 91, guide pipe 10 have and coordinate with the recessed keyway 85 of stretching bar 11 end in guide pipe 10 and install.
Further, the outer end of stretching bar 11 is provided with handle 27, and convenient operation personnel construct.
Further, at the cylindrical of slip steel bushing 7, the cylindrical of dynamic cover 92 and end face construction bolt 28, steel wire rope 29 connects these bolts 28 and through the assembly pulley 30 be installed on bearing block II4 otic placode 23, bearing block I3 and otic placode 23 thereof, can make slip steel bushing 7 and slip cap 9 synchronous slide.
Further, the outer end of mandrel I15 and mandrel II16 is installed and is supported steel bushing 31, and its end nut 32 is fastening; Support the outer coaxial mounting and adjusting steel bushing 33 of steel bushing 31, uniform through adjusting nut 34 on adjustment steel bushing 33, rotate adjusting nut 34 and can adjust the center supporting steel bushing 31, thus the central axis of adjustment conical bore automatic grinding device and the central axes of workpiece 12.
As preferentially, adjusting nut 34 quantity uniform on each adjustment steel bushing 33 is 6.
The course of work of conical bore automatic grinding device of the present invention is as follows:
Described conical bore automatic grinding device is stretched into the conical bore of workpiece 12 to be processed, start motor 1, rotary power is delivered to bearing block I3 and bearing block II4 by belt pulley 2 by motor, thus drives the grinding oilstone 8 on the slip steel bushing 7 on adjustable shaft 6 rotate thus grind the inner surface of conical bore; Manual push-pull stretching bar 11, stretching bar 11 drives slip cap 9 to seesaw, and has wireline pulley group 14 to link together between slip cap 9 and slip steel bushing 7, so slip steel bushing 7 can drive grinding oilstone 8 to grind before and after conical bore inner surface.
The above embodiment only have expressed some embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a conical bore automatic grinding device, comprise motor, belt pulley, bearing block I, bearing block II, tube connector, adjustable shaft, slip steel bushing, grinding oilstone, slip cap, guide pipe, stretching bar, it is characterized in that: described motor is in transmission connection by belt pulley and bearing block I; Bearing block I and bearing block II is connected as one by tube connector; Described adjustable shaft is installed between bearing block I and bearing block II, and its setting angle is adjustable; The cylindrical keyway of slip steel bushing and adjustable shaft is connected, and slides in the long keyway can offered on described adjustable shaft; Grinding oilstone is installed on slip steel bushing, with the surface contact of workpiece internal taper hole to be processed in process; The cylindrical keyway of described slip cap and guide pipe is connected, and slides in the long keyway can offered on guide pipe, and described slip cap is connected with stretching bar; Described slip cap end face installs a bearing pin, and bearing pin and tube connector keyway are connected, and slide in the long keyway can offered on tube connector; Be connected by wireline pulley group between described slip cap with slip steel bushing, synchronous slide under the effect of stretching bar; The front and back end of described guide pipe and mandrel I and mandrel II threaded engagement, mandrel I is installed in bearing block II by ball bearing, and mandrel II is installed in bearing block I by roller bearing; Described stretching bar is arranged at the inside of guide pipe, mandrel II.
2. conical bore automatic grinding device according to claim 1, is characterized in that: outside slip steel bushing, be 90 degree with slip steel bushing weld a steel bushing, spring and slidiing pin are installed in steel bushing; Slidiing pin and steel bushing keyway are connected, and slide in the long keyway can offered on steel bushing, and the top bearing pin of slidiing pin installs bracing frame, and described grinding oilstone is installed on bracing frame inside.
3. conical bore automatic grinding device according to claim 1, is characterized in that: the two ends of described adjustable shaft are flat ear tabular, is arranged on the end face of bearing block II and bearing block I by support otic placode and bearing pin; The otic placode of described bearing block II end face is arranged on sliding panel, the side keyway of sliding panel and bearing block II is connected, and slide in the long keyway can offered on the end face of bearing block II, consistent with the angle of the conical bore inner surface of the angle with different workpieces that adjust adjustable shaft.
4. conical bore automatic grinding device according to claim 1, it is characterized in that: described slip cap comprises quiet cover, dynamic cover, the cylindrical sliding connection of described quiet cover and the axis of guide, dynamic cover is installed on quiet cover cylindrical by ball bearing, and the outer face of dynamic cover is installed bearing pin I and extended to tube connector; Bearing pin I and tube connector keyway are connected, and slide in the long keyway that can have on tube connector; Bearing pin II through the long keyway that the pin-and-hole of quiet cover, guide pipe are offered, and coordinates with the recessed keyway of described stretching boom end and installs.
5. conical bore automatic grinding device according to claim 1, is characterized in that: the outer end of described stretching bar is provided with handle.
6. the conical bore automatic grinding device according to claim 1 or 2 or 4, it is characterized in that: at the cylindrical of slip steel bushing, the cylindrical of dynamic cover and end face construction bolt, connect described bolt by a steel wire rope and through the assembly pulley be installed on bearing block II otic placode, bearing block I and otic placode thereof, make slip steel bushing and slip cap synchronous slide.
7. conical bore automatic grinding device according to claim 1, is characterized in that: the outer end of described mandrel I and mandrel II is installed and supported steel bushing, its end fastening nuts; Support coaxial installation one adjustment steel bushing outside steel bushing, on described adjustment steel bushing, uniform some adjusting nuts for adjusting the center supporting steel bushing, make the central axes of the central axis of conical bore automatic grinding device and workpiece to be processed.
8. conical bore automatic grinding device according to claim 7, is characterized in that: adjusting nut quantity uniform on each adjustment steel bushing is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510800549.3A CN105479322B (en) | 2015-11-18 | 2015-11-18 | A kind of conical bore automatic grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510800549.3A CN105479322B (en) | 2015-11-18 | 2015-11-18 | A kind of conical bore automatic grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105479322A true CN105479322A (en) | 2016-04-13 |
| CN105479322B CN105479322B (en) | 2017-11-24 |
Family
ID=55666775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510800549.3A Active CN105479322B (en) | 2015-11-18 | 2015-11-18 | A kind of conical bore automatic grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105479322B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041715A (en) * | 2016-07-28 | 2016-10-26 | 成都成高阀门有限公司 | Valve body taper face grinding tool and grinding method |
| CN110666661A (en) * | 2019-09-27 | 2020-01-10 | 精海联科(宁波)智能设备有限公司 | Method for polishing inner wall of taper pipe |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1630353A (en) * | 1924-07-12 | 1927-05-31 | Chicago Hardware Foundry Compa | Internal-cylinder grinder |
| CN1131600A (en) * | 1994-11-18 | 1996-09-25 | 法玛通公司 | Method and device for lapping conical surface of metal part |
| US20030054743A1 (en) * | 2001-09-14 | 2003-03-20 | Negley Marvin C. | Honing tool |
| CN2600218Y (en) * | 2003-02-14 | 2004-01-21 | 宁夏回族自治区大河机床厂一厂 | Adjustable, metering honing reaming head |
| JP2007015036A (en) * | 2005-07-05 | 2007-01-25 | Nissan Motor Co Ltd | Honing device and honing method |
| CN201154456Y (en) * | 2008-01-30 | 2008-11-26 | 天津赛瑞机器设备有限公司 | Cone hole honing tool |
| CN103692334A (en) * | 2013-12-13 | 2014-04-02 | 苏州市职业大学 | Taper hole honing oilstone support mechanism |
| CN104589199A (en) * | 2015-01-26 | 2015-05-06 | 成都科盛石油科技有限公司 | Inner wall polishing structure for workpiece |
-
2015
- 2015-11-18 CN CN201510800549.3A patent/CN105479322B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1630353A (en) * | 1924-07-12 | 1927-05-31 | Chicago Hardware Foundry Compa | Internal-cylinder grinder |
| CN1131600A (en) * | 1994-11-18 | 1996-09-25 | 法玛通公司 | Method and device for lapping conical surface of metal part |
| US20030054743A1 (en) * | 2001-09-14 | 2003-03-20 | Negley Marvin C. | Honing tool |
| CN2600218Y (en) * | 2003-02-14 | 2004-01-21 | 宁夏回族自治区大河机床厂一厂 | Adjustable, metering honing reaming head |
| JP2007015036A (en) * | 2005-07-05 | 2007-01-25 | Nissan Motor Co Ltd | Honing device and honing method |
| CN201154456Y (en) * | 2008-01-30 | 2008-11-26 | 天津赛瑞机器设备有限公司 | Cone hole honing tool |
| CN103692334A (en) * | 2013-12-13 | 2014-04-02 | 苏州市职业大学 | Taper hole honing oilstone support mechanism |
| CN104589199A (en) * | 2015-01-26 | 2015-05-06 | 成都科盛石油科技有限公司 | Inner wall polishing structure for workpiece |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041715A (en) * | 2016-07-28 | 2016-10-26 | 成都成高阀门有限公司 | Valve body taper face grinding tool and grinding method |
| CN106041715B (en) * | 2016-07-28 | 2019-04-19 | 成都成高阀门有限公司 | A kind of valve body tapered surface grinding tool and grinding method |
| CN110666661A (en) * | 2019-09-27 | 2020-01-10 | 精海联科(宁波)智能设备有限公司 | Method for polishing inner wall of taper pipe |
| CN110666661B (en) * | 2019-09-27 | 2021-05-04 | 精海联科(宁波)智能设备有限公司 | Method for polishing inner wall of taper pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105479322B (en) | 2017-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108747670B (en) | Polishing device and polishing method for polishing inner wall of pipeline | |
| CN107303646B (en) | A kind of square tube deburring device | |
| CN202200046U (en) | Four-wheel center rest for machining core rod | |
| CN105479322A (en) | Automatic conical hole grinding device | |
| CN109093206B (en) | Engineering machine tool gear polishing equipment | |
| CN203092262U (en) | Drill collar polisher | |
| CN202144033U (en) | Match grinding forming device for conical external circle | |
| CN103213056B (en) | Inner bore abrasive belt grinding machine tool and grinding method | |
| CN204248664U (en) | Polishing machine polishing wheel trimming device | |
| CN201913319U (en) | Chamfering machine for bevel of steel plate | |
| CN204030881U (en) | Motor stator press-fits special alignment jig | |
| CN104493708A (en) | Positioning mandrel for effectively controlling coaxiality of bearing bushings and using method of positioning mandrel | |
| CN214560048U (en) | Automobile motor journal grinding and polishing clamp | |
| CN104439866A (en) | Locating device for pipe fitting welding | |
| CN204700677U (en) | A kind of cylinder stone grinder equipment | |
| CN213081105U (en) | Polishing mechanical equipment for steel pipe | |
| CN103213048B (en) | Novel stone copying grinding device | |
| CN2806056Y (en) | Steel pipe arc grinder | |
| CN102107388B (en) | Cutting mill for two-position porcelain shell | |
| CN210307322U (en) | Precision grinding tool for inner ring of bearing with seat | |
| CN104439865A (en) | Rotary positioning device of blanking type double-head welded pipe fittings | |
| CN210790352U (en) | Cylinder shaping device for production of oil-gas separation tank of double-screw air compressor | |
| CN204431041U (en) | The positioning core axle of a kind of effective control bearing holder (housing, cover) outer surface and Silencing groove axiality | |
| CN103286671A (en) | Automatic grinding device for spherical pair | |
| CN210209776U (en) | Deburring device for casing coupling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |